# 坐标数据
class Coord:
    def __init__(self, x, y):
        self.x = x
        self.y = y
        # self.k_coord = k_coord
        self.d = 0
        self.label = 0

    def __eq__(self, other):
        if isinstance(other, Coord):
            return self.x == other.x and self.y == other.y
        return False